#include<iostream>
using namespace std;

class Kvadar {
	int a, b, c;
public:
	Kvadar(int aa = 1, int bb = 1, int cc = 1) {
		a = aa; b = bb; c = cc;
	}
	int V() const {
		return a * b*c;
	}

	int dohvA() const { return a; }
	int dohvB() const { return b; }
	int dohvC() const { return c; }

	//da li dva kvadra imaju iste ivice

	friend bool operator==(const Kvadar& k1, const Kvadar& k2) {
		if (k1.dohvA() == k2.dohvB() && k1.dohvB() == k2.dohvB() && k1.dohvC() == k2.dohvC()) return true;
		else return false;
	}

	friend bool operator<(const Kvadar& k1, const Kvadar& k2) {
		if (k1.V() < k2.V()) return true;
		else return false;
	}

	friend istream& operator>>(istream& ut, Kvadar& k) {
		ut >> k.a >> k.b >> k.c;
		return ut;
	}

	friend ostream& operator<<(ostream& it, const Kvadar& k) {
		it << "(" << k.dohvA() << "," << k.dohvB() << "," << k.dohvC() << endl;
		return it;
	}
};

	class Niz_kvad {
		int n;
		Kvadar* niz;
		int br_kvad;
		void brisi() {
			delete[] niz;
			n = 5;
		}

	public:
		Niz_kvad(Kvadar* array, int nn = 5) {
			n = nn;
			array = new Kvadar[n];

			br_kvad = 0;
		}
		~Niz_kvad() { brisi(); }

		bool operator+=(const Kvadar& k) {

			if (br_kvad == n) return false;
			else {
				br_kvad++;
				int tmp = br_kvad;

				while (k.V() < niz[tmp].V()) {
					niz[tmp] = niz[tmp - 1];
					tmp--;
				}
				niz[tmp] = k;



				return true;
			}
		}


		//ispisuje se niz kvadara
		friend ostream& operator<<(ostream& it, const Niz_kvad &kvadri) {

			for (int i = 0; i < kvadri.br_kvad; i++)  it << "(" << kvadri.niz[i].dohvA() << "," << kvadri.niz[i].dohvB() << "," << kvadri.niz[i].dohvC() << endl;
			return it;
		}
	};